I can plot functions with numbers using pgfplots but how can I plot something like the next image?
The curved part corresponds to an exponential with negative argument.
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Can you edit-in what you have? It will be easier for someone here to control the labeling specifically if they can start from a plot that looks sort of like what you want :) That said, I would probably do this with just plain ole' TikZ using control curves.– Sean AllredCommented Oct 1, 2014 at 17:03
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Plotting a line and then an exponential controlling their domain it is not what you want?– AstrinusCommented Oct 1, 2014 at 17:05
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@Astrinus Something like it. But I don't know how to put that the function begins in Vo and end in Vs because aren't numbers.– Brallan AguilarCommented Oct 1, 2014 at 17:09
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1 Answer
\begin{tikzpicture}
\draw[->] (-1,0) -- (5,0) node [below] {$t$};
\draw[->] (0,0) -- (0,4.5) node [left] {$v(t)$};
\draw [domain=-1:0, scale=1,red,very thick] plot (\x,1);
\draw [domain=0:5, scale=1,red,very thick] plot (\x,{3*(1-exp(-\x))+1});
\draw [domain=0:5, scale=1, dashed,blue] plot (\x,4);
\node[right] at (0,1) {$V_0$} ;
\node[left] at (0,4) {$V_s$} ;
\end{tikzpicture}
